BirdAnalyst
Species · BCR 26 · BBS 2025 Release · 1966–2024

White-faced Ibis In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyWetland birds

White-faced Ibis in Mississippi Alluvial Valley has risen sharply: up 72% on the route-weighted index since 2002.

+72%Since 2002
11Routes In Region
19Years

Notable Signals

long arc increasecomputed index

White-faced Ibis has risen sharply in Mississippi Alluvial Valley: up 72% on the route-weighted index since 2002.

Forecast

If the recent trend holds, White-faced Ibis in Mississippi Alluvial Valley is projected to fall about 75% by 2029 — from 1.3 in 2024 to a central estimate of 0.33 (95% range 0.00–1.0). A 5-year backtest shows a typical error of ±177.6%, with 80% of held-out values landing inside the 95% band.

-75%Change by 2029
0.33Projected 2029 index
0.00–1.095% range
±177.6%Backtest error
19882029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.330.001.0
20260.330.001.0
20270.330.001.0
20280.330.001.0
20290.330.001.0

Routes In Mississippi Alluvial Valley

Routes recording White-faced Ibis in Mississippi Alluvial Valley.
Port AllenLOUISIANA352024
Morgan CityLOUISIANA162014
KeystoneLOUISIANA82012
FrogmoreLOUISIANA72024
AtchafalayaLOUISIANA52015
RamahLOUISIANA42021
KraemerLOUISIANA42010
MayflowerLOUISIANA32023
BelairLOUISIANA31991
ShawLOUISIANA12024
LaroseLOUISIANA11988

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.